Asiatic beetle vs scarabaean

Asiatic beetle and scarabaean both are nouns.

Word	Noun	Adjective	Verb	Adverb
Asiatic beetle	Yes	No	No	No
scarabaean	Yes	No	No	No

As nouns, scarabaean is a hypernym of Asiatic beetle; that is, scarabaean is a word with a broader meaning than Asiatic beetle:

Asiatic beetle: introduced into United States from the Orient; larvae feed on roots of sugarcane and other grasses
scarabaean: any of numerous species of stout-bodied beetles having heads with horny spikes

Other hypernyms of Asiatic beetle include scarabaeid, scarabaeid beetle.

Asiatic beetle (noun)	scarabaean (noun)
introduced into United States from the Orient; larvae feed on roots of sugarcane and other grasses	any of numerous species of stout-bodied beetles having heads with horny spikes